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Kaolin And Ball Clay, Ashville, Alabama. NPDES permit AL0031534, in force until May 31, 2029. Last 12 months: over a limit 3 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| April 2026 | Aluminum, total [as Al], monthly average | 1.9 | ≤ 1 mg/L | 90% |
| April 2026 | Iron, total [as Fe], monthly average | 1 | ≤ .5 mg/L | 100% |
| April 2026 | Solids, total suspended, monthly average | 23 | ≤ 20 mg/L | 15% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ .5 mg/L | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ .5 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Aluminum, total [as Al] | monthly average | ≤ 1 mg/L | all year | 002 |
| Aluminum, total [as Al] | monthly average | ≤ 1 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 8.5 SU | all year | 003 |
| pH | daily maximum | ≤ 8.5 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 003 |
| Iron, total [as Fe] | monthly average | ≤ .5 mg/L | all year | 003 |
| Iron, total [as Fe] | monthly average | ≤ .5 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 003 |
| Aluminum, total [as Al] | monthly average | ≤ 1 mg/L | all year | 003 |
| Aluminum, total [as Al] | monthly average | ≤ 1 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 206 Mining and Quarrying of Nonmetallic Minerals permits in Alabama.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AL0031534 · MCP: https://passage-data.com/mcp